High genetic diversity in a ‘recent outbreak’ spider mite, Tetranychus pueraricola, in mainland China

Jin, Peng‐Yu; Tian, Lili; Chen, Lei; Hong, Xiao‐Yue

doi:10.1007/s10493-019-00377-1

Cited by 4 publications

(4 citation statements)

References 30 publications

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“…Tetranychus pueraricola (Ehara & Gotoh) (Acari: Tetranychidae) is a newly reported spider mite that is often found in China [ 30 ]. It has become the second most frequently sampled Tetranychus spider mite in China with 21.2% frequency, compared with T. truncatus (48.5%) and T. urticae (red) (5.7%) based on a long-term survey from 2008–2017 [ 10 ].…”

Section: Introductionmentioning

confidence: 99%

“…It has become the second most frequently sampled Tetranychus spider mite in China with 21.2% frequency, compared with T. truncatus (48.5%) and T. urticae (red) (5.7%) based on a long-term survey from 2008–2017 [ 10 ]. However, T. pueraricola is not a recent invasive pest but rather a long-standing species in China [ 30 ]. This species was first described as a new species by Ehara and Gotoh (1996) [ 31 ], is close to the two-spotted spider mite T. urticae Koch (red form) [ 7 , 32 ], and has long been misidentified as T. urticae (red form), T. cinnabarinus, or even T. truncatus [ 30 ].…”

Section: Introductionmentioning

confidence: 99%

“…However, T. pueraricola is not a recent invasive pest but rather a long-standing species in China [ 30 ]. This species was first described as a new species by Ehara and Gotoh (1996) [ 31 ], is close to the two-spotted spider mite T. urticae Koch (red form) [ 7 , 32 ], and has long been misidentified as T. urticae (red form), T. cinnabarinus, or even T. truncatus [ 30 ].…”

Section: Introductionmentioning

confidence: 99%

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The Insecticidal Efficacy and Physiological Action Mechanism of a Novel Agent GC16 against Tetranychus pueraricola (Acari: Tetranychidae)

Xie

et al. 2022

Insects

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Chemical control plays a crucial role in pest management but has to face challenges due to insect resistance. It is important to discover alternatives to traditional pesticides. The spider mite Tetranychus pueraricola (Ehara & Gotoh) (Acari: Tetranychidae) is a major agricultural pest that causes severe damage to many crops. GC16 is a new agent that consists of a mixture of Calcium chloride (CaCl2) and lecithin. To explore the acaricidal effects and mode of action of GC16 against T. pueraricola, bioassays, cryogenic scanning electron microscopy (cryo-SEM) and transmission electron microscopy (TEM) were performed. GC16 had lethal effects on the eggs, larvae, nymphs, and adults of T. pueraricola, caused the mites to dehydrate and inactivate, and inhibited the development of eggs. GC16 displayed contact toxicity rather than stomach toxicity through the synergistic effects of CaCl2 with lecithin. Cryo-SEM analysis revealed that GC16 damaged T. pueraricola by disordering the array of the cuticle layer crest. Mitochondrial abnormalities were detected by TEM in mites treated by GC16. Overall, GC16 had the controlling efficacy on T. pueraricola by cuticle penetration and mitochondria dysfunction and had no effects on Picromerus lewisi and Harmonia axyridis, indicating that GC16 is likely a new eco-friendly acaricide.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The Insecticidal Efficacy and Physiological Action Mechanism of a Novel Agent GC16 against Tetranychus pueraricola (Acari: Tetranychidae)

Xie

et al. 2022

Insects

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“…Additionally, collections show that both forms tend not to co-occur within the same geographical area. Population genetic investigations have indicated that genetic diversity in the red T. urticae is lower than in the green form [ 44 ]. Both forms have a wide host range, but the forms appear to prefer different host plants and competition between them may depend on host plant [ 41 , 45 ].…”

Section: Introductionmentioning

confidence: 99%

Comparative genome and transcriptome analyses reveal innate differences in response to host plants by two color forms of the two-spotted spider mite Tetranychus urticae

et al. 2021

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Background The two-spotted spider mite, Tetranychus urticae, is a major agricultural pest with a cosmopolitan distribution, and its polyphagous habits provide a model for investigating herbivore-plant interactions. There are two body color forms of T. urticae with a different host preference. Comparative genomics and transcriptomics are used here to investigate differences in responses of the forms to host plants at the molecular level. Biological responses of the two forms sourced from multiple populations are also presented. Results We carried out principal component analysis of transcription changes in three red and three green T. urticae populations feeding on their original host (common bean), and three hosts to which they were transferred: cotton, cucumber and eggplant. There were differences among the forms in gene expression regardless of their host plant. In addition, different changes in gene expression were evident in the two forms when responding to the same host transfer. We further compared biological performance among populations of the two forms after feeding on each of the four hosts. Fecundity of 2-day-old adult females showed a consistent difference between the forms after feeding on bean. We produced a 90.1-Mb genome of the red form of T. urticae with scaffold N50 of 12.78 Mb. Transcriptional profiles of genes associated with saliva, digestion and detoxification showed form-dependent responses to the same host and these genes also showed host-specific expression effects. Conclusions Our research revealed that forms of T. urticae differ in host-determined transcription responses and that there is form-dependent plasticity in the transcriptomic responses. These differences may facilitate the extreme polyphagy shown by spider mites, although fitness differences on hosts are also influenced by population differences unrelated to color form.

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Genetic diversity and population structure of Dermatophagoides farinae based on microsatellite markers

Fang

Chen

et al. 2022

International Journal of Acarology

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High genetic diversity in a ‘recent outbreak’ spider mite, Tetranychus pueraricola, in mainland China

Cited by 4 publications

References 30 publications

The Insecticidal Efficacy and Physiological Action Mechanism of a Novel Agent GC16 against Tetranychus pueraricola (Acari: Tetranychidae)

The Insecticidal Efficacy and Physiological Action Mechanism of a Novel Agent GC16 against Tetranychus pueraricola (Acari: Tetranychidae)

Comparative genome and transcriptome analyses reveal innate differences in response to host plants by two color forms of the two-spotted spider mite Tetranychus urticae

Genetic diversity and population structure of Dermatophagoides farinae based on microsatellite markers

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